CN2062475U - Ultrasonic anti-theft warner for motor vehicles - Google Patents
Ultrasonic anti-theft warner for motor vehicles Download PDFInfo
- Publication number
- CN2062475U CN2062475U CN 90201007 CN90201007U CN2062475U CN 2062475 U CN2062475 U CN 2062475U CN 90201007 CN90201007 CN 90201007 CN 90201007 U CN90201007 U CN 90201007U CN 2062475 U CN2062475 U CN 2062475U
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- CN
- China
- Prior art keywords
- circuit
- capacitor
- resistance
- triode
- ultrasonic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Burglar Alarm Systems (AREA)
Abstract
The utility model provides an ultrasonic anti-theft warner for motor vehicles, which can warn and prevent the motor vehicles and the articles in motor vehicles being stolen when the motor vehicles are not looked after by people. The utility model is difficult to relieve warning and has application to any motor vehicles. The utility model is composed of an ultrasonic transmitter, and an ultrasonic receiver. When the driver leaves the motor vehicle, the variation of the ultrasonic intensity is caused when a person opens the door, or the window, or goes into the motor vehicle, so the intensity variation of the ultrasonic can be used by the ultrasonic receiver to detect warning signals making the motor vehicle send out warning sound, and the circuit is cut to make the motor vehicle unable to be ignited. The utility model is composed of elementary electronic elements.
Description
The utility model belongs to the motor vehicle antitheft warning device.
Have some alarming device for automobile anti-theft at present both at home and abroad, as Patent Office of the People's Republic of China's bulletin on February 1st, 1989, application number is 87217146.9 " automobile burglar electronic security device ", and its adopts electronic cipher control, infrared shake sensor senses.This device mainly is to prevent to steal car, and auto extinguishing and automatic warning function are arranged, the article in the car but it can not avoid theft, its shortcoming is that infrared shake sensor need vibrate can sensing in addition, if the car body friction it can sensor alarming.
The utility model provides a kind of safe and reliable motor vehicle ultrasonic wave burglar alarm, it can make motor vehicle under unserviced situation article in motor vehicle itself and the car be played the burglar alarm effect, and be difficult for removing warning, be the burglar alarm that is applicable to various motor vehicles.
The utility model is made up of ultrasonic transmitter and ultrasonic receiver.Ultrasonic transmitter is made up of supersonic oscillations circuit, ultrasound wave amplifying circuit, ultrasound transmitting transducer.The supersonic oscillations circuit is by resistance R
1, R
2, R
3, R
4, capacitor C
1, C
2, C
4, triode T
1, coil L forms, the ultrasound wave amplifying circuit is by resistance R
5, R
6, R
7, R
8, R
9, R
10, R
11, R
12, triode T
2, T
3, capacitor C
5, C
6Form, ultrasound transmitting transducer is by H
1Form.Ultrasonic receiver is stopped control circuit and is formed by ultrasound wave receiving transducer, ultrasound wave operational amplification circuit, detecting circuit, automatic gain control circuit, alerting signal amplifying circuit, bleeder circuit, alarm switch shaping circuit, delay circuit 1, delay circuit 2, igniting cut-out driving circuit, warning driving circuit, low-frequency oscillatory network, warning startup preparation display circuit, start-up control circuit, warning.The ultrasound wave receiving transducer is by H
2Form, the ultrasound wave operational amplification circuit is by resistance R
13, R
14, capacitor C
8, integrated circuit (IC)
1-1Form, detecting circuit is by diode D
1, D
2, capacitor C
10, C
12, C
13Form, automatic gain control circuit is by triode T
4, resistance R
15, R
16, capacitor C
9, C
11Form, the alerting signal amplifying circuit is by resistance R
19, capacitor C
14, C
18, integrated circuit (IC)
1-2Form, bleeder circuit is by resistance R
17, R
18, capacitor C
15, C
16, C
17Form, the alarm switch shaping circuit is by resistance R
20, R
21, R
22, R
23, R
24, R
25, R
26, R
27, capacitor C
21, diode D
3, D
4, triode T
5, T
6, integrated circuit (IC)
2-1, IC
2-2Form, delay circuit 1 is by resistance R
28, capacitor C
19, integrated circuit (IC)
2-4Form, delay circuit 2 is by resistance R
29, capacitor C
20, integrated circuit (IC)
2-3Form, igniting is cut off driving circuit by resistance R
34, R
37, R
39, R
40, diode D
5, triode T
7, T
8, relay J
3Form, the warning driving circuit is by resistance R
35, R
38, R
41, R
42, capacitor C
27, diode D
6, triode T
9, T
10, relay J
2Form, low-frequency oscillatory network is by resistance R
30, R
31, capacitor C
24, integrated circuit (IC)
3-1, IC
3-2Form, reporting to the police starts the preparation display circuit by resistance R
36, R
45, R
46, diode D
7, capacitor C
26, triode T
11, T
12Form, the start-up control circuit is by resistance R
43, R
47, R
48, R
49, capacitor C
25, C
28, diode D
8, D
9, D
10, D
11, triode T
13, relay J
1, integrated circuit (IC)
3-4Form, reporting to the police stops control circuit by R
32, R
33, R
44, capacitor C
22, C
23, integrated circuit (IC)
3-3Form.
The utility model is cheap, reliable operation, good stability, highly sensitive, can make motor vehicle under unserviced situation article in motor vehicle itself and the car be played the burglar alarm effect, is the burglar alarm that is applicable to various motor vehicles.
Description of drawings, Fig. 1 are outside drawings of the present utility model.Wherein 1 is shell, the 2nd, and reporting to the police starts preparation display lamp (LED), and the 3rd, starting switch, the 4th, ultrasonic emitting and reception guard.
Fig. 2 is a wiring diagram of the present utility model.The power lead of motor vehicle connects this burglar alarm extension line I, and extension line II, III connect the keyhole of starting engine, the extension line IV motor-car loudspeaker of meeting sb. at the airport, the extension line V motor-car ground wire of meeting sb. at the airport.
Fig. 3 is the block scheme of ultrasonic transmitter.Wherein 5 is supersonic oscillations circuit, the 6th, and ultrasound wave amplifying circuit, the 7th, ultrasound transmitting transducer.
Fig. 4 is the block scheme of ultrasonic receiver.Wherein 8 is ultrasound wave receiving transducers, the 9th, and ultrasound wave operational amplification circuit, the 10th, detecting circuit, the 11st, automatic gain control circuit, the 12nd, alerting signal amplifying circuit, the 13rd, bleeder circuit, the 14th, alarm switch shaping circuit, the 15th, delay circuit 1,16th, delay circuit 2, the 17th, driving circuit is cut off in igniting, the 18th, the warning driving circuit, the 19th, low-frequency oscillatory network, the 20th, reporting to the police starts the preparation display circuit, the 21st, the start-up control circuit, the 22nd, reporting to the police stops control circuit.
Fig. 5 is the circuit theory diagrams of ultrasonic transmitter.
Fig. 6 is the circuit theory diagrams of ultrasonic receiver.
Below in conjunction with accompanying drawing the utility model is described in further detail, by resistance R
1, R
2, R
3, R
4, capacitor C
1, C
2, C
4, triode T
1, the supersonic oscillations circuit formed of line chart L produces ultrasonic electrical signal, via resistance R
5, R
6, R
7, R
8, R
9, R
10, R
11, R
12, triode T
2, T
3, capacitor C
5, C
6The ultrasound wave amplifying circuit of forming amplifies the back and promotes ultrasonic transducer H
1, launch ultrasound wave.
The driver presses the burglar alarm switch SW earlier before car, at this moment by resistance R
30, R
31, capacitor C
24, integrated circuit (IC)
3-1, IC
3-2The low-frequency oscillatory network of forming is started working, and its oscillator signal is through resistance R
36Make triode T
11Be interrupted conducting, thereby make diode D
7(LED) flash, report that this alarm is just preparing startup.Meanwhile, electric current is by diode D
10To capacitor C
25Charging, the time is 20 seconds, the driver must leave the compartment and close the doors and windows in 20 seconds, in order to avoid alarm starts false alarm after 20 seconds.After switch SW is connected 20 seconds, capacitor C
25Negative pole end be low level, so IC
3-4Output terminal be high level, through resistance R
47, R
48, R
49After the dividing potential drop, make triode T
13Conducting makes relay J
1Adhesive makes entire circuit be in alarm condition; At this moment, cut off switch SW alarm is quit work, power supply is through resistance R simultaneously
46, capacitor C
26Dividing potential drop makes triode T
12Conducting is because triode T
12Conducting, triode T
11Base voltage descend, make triode T
11End, like this diode D
7(LED) stop glittering.
Because the compartment is closed, no object moves and air flow, so the received hyperacoustic intensity of ultrasound wave receiving transducer is unconverted, via capacitor C
10, C
12, C
13, diode D
1, D
2The detecting circuit of forming, what detection was come out is dc signal, so alarm can not reported to the police.If there is the people to open car door or window, making has air flow or has the people into the car in the compartment, and the ultrasound wave receiving transducer receives the vicissitudinous ultrasound wave of intensity like this, via capacitor C
8, resistance R
14, integrated circuit (IC)
1-1The amplification of the ultrasound wave operational amplification circuit of forming makes detecting circuit detect the warning electric signal of a variation, again by resistance R
19, capacitor C
14, C
18, integrated circuit (IC)
1-2The alerting signal amplifying circuit of forming amplifies, and makes the intensity of this signal be enough to conducting by resistance R
20, R
21, R
22, R
23, R
24, R
25, R
26, R
27, capacitor C
21, diode D
3, D
4, triode T
5, T
6, integrated circuit (IC)
2-1, IC
2-2The alarm switch shaping circuit of forming is at IC
2-2High level signal of output terminal output, via resistance R
29, capacitor C
20, integrated circuit (IC)
2-3The delay circuit of forming 2 was delayed time after 5 seconds, made by resistance R
35, R
38, R
41, R
42, capacitor C
27, diode D
6, triode T
9, T
10, relay J
2The warning driving circuit of forming enters duty, makes J
2Adhesive.The IC of the oscillating voltage of low-frequency oscillatory network input simultaneously
2-3Input end, make IC
2-3Be interrupted input low level, the driving circuit interruption of reporting to the police like this work, and J
2Be interrupted adhesive, make the loudspeaker of motor vehicle send the chimes of doom of interruption.In addition by IC
2-2The high level signal of output is via resistance R
28, capacitor C
19, integrated circuit (IC)
2-4After forming 20 seconds of delay circuit 1 time-delay, make by resistance R
34, R
37, R
39, R
40, diode D
5, triode T
7, T
8, relay J
3The igniting of forming is cut off driving circuit and is entered duty, J
3Disconnect, at this moment motor vehicle just can't be lighted a fire.
After the driver enters the compartment, promptly the motor vehicle private key is inserted the startup keyhole, connect III, at this moment by R
32, R
33, R
44, C
22, C
23, IC
3-3The warning of forming stops control circuit energising work, at IC
3-3Low level of output terminal output, make diode D
8Conducting, the start-up control circuit is with regard to because of the voltage of losing the job quits work like this, relay J
1Disconnect, cut off the working power of warning driving circuit, igniting cut-out driving circuit and alarm switch shaping circuit, make it to quit work.
Claims (2)
1, a kind of motor vehicle ultrasonic wave burglar alarm, it is made up of ultrasonic transmitter and ultrasonic receiver, it is characterized in that: ultrasonic transmitter is made up of supersonic oscillations circuit, ultrasound wave amplifying circuit, ultrasound transmitting transducer; The supersonic oscillations circuit is by resistance R
1, R
2, R
3, R
4, capacitor C
1, C
2, C
4, triode T
1, coil L forms, the ultrasound wave amplifying circuit is by resistance R
5, R
6, R
7, R
8, R
9, R
10, R
11, R
12, triode T
2, T
3, capacitor C
5, C
6Form, ultrasound transmitting transducer is by H
1Form.
2, motor vehicle ultrasonic wave burglar alarm according to claim 1 is characterized in that: described ultrasonic receiver is stopped control circuit and is formed by ultrasound wave receiving transducer, ultrasound wave operational amplification circuit, detecting circuit, automatic gain control circuit, alerting signal amplifying circuit, bleeder circuit, alarm switch shaping circuit, delay circuit 1, delay circuit 2, igniting cut-out driving circuit, warning driving circuit, low-frequency oscillatory network, warning startup preparation display circuit, start-up control circuit, warning; The ultrasound wave receiving transducer is by H
2Form, the ultrasound wave operational amplification circuit is by resistance R
13, R
14, capacitor C
8, integrated circuit (IC)
1-1Form, detecting circuit is by diode D
1, D
2, capacitor C
10, C
12, C
13Form, automatic gain control circuit is by triode T
4, resistance R
15, R
16, capacitor C
9, C
11Form, the alerting signal amplifying circuit is by resistance R
19, capacitor C
14, C
18, integrated circuit (IC)
1-2Form, bleeder circuit is by resistance R
17, R
18, capacitor C
15, C
16, C
17Form, the alarm switch shaping circuit is by resistance R
20, R
21, R
22, R
23, R
24, R
25, R
26, R
27, capacitor C
21, diode D
3, D
4, triode T
5, T
6, integrated circuit (IC)
2-1, IC
2-2Form, delay circuit 1 is by resistance R
28, capacitor C
19, integrated circuit (IC)
2-4Form, delay circuit 2 is by resistance R
29, capacitor C
20, integrated circuit (IC)
2-3Form, igniting is cut off driving circuit by resistance R
34, R
37, R
39, R
40, diode D
5, triode T
7, T
8, relay J
3Form, the warning driving circuit is by resistance R
35, R
38, R
41, R
42, capacitor C
27, diode D
6, triode T
9, T
10, relay J
2Form, low-frequency oscillatory network is by resistance R
30, R
31, capacitor C
24, integrated circuit (IC)
3-1, IC
3-2Form, reporting to the police starts the preparation display circuit by resistance R
36, R
45, R
46, diode D
7, capacitor C
26, triode T
11, T
12Form, the start-up control circuit is by resistance R
43, R
47, R
48, R
49, capacitor C
25, C
28, diode D
8, D
9, D
10, D
11, triode T
13, relay J
1, integrated circuit (IC)
3-4Form, reporting to the police stops control circuit by R
32, R
33, R
44, capacitor C
22, C
23, integrated circuit (IC)
3-3Form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90201007 CN2062475U (en) | 1990-01-22 | 1990-01-22 | Ultrasonic anti-theft warner for motor vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90201007 CN2062475U (en) | 1990-01-22 | 1990-01-22 | Ultrasonic anti-theft warner for motor vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2062475U true CN2062475U (en) | 1990-09-19 |
Family
ID=4882712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90201007 Granted CN2062475U (en) | 1990-01-22 | 1990-01-22 | Ultrasonic anti-theft warner for motor vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2062475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325199A (en) * | 2013-05-24 | 2013-09-25 | 无锡商业职业技术学院 | Alarm device |
-
1990
- 1990-01-22 CN CN 90201007 patent/CN2062475U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325199A (en) * | 2013-05-24 | 2013-09-25 | 无锡商业职业技术学院 | Alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term |